the basic practical details of something
die grundlegenden praktischen Details von etwas (die grundlegenden praktischen Details von etwas)
"Let's focus on the nuts and bolts of this new project."
"Lassen Sie uns auf die nuts and bolts dieses neuen Projekts konzentrieren." (Lassen Sie uns auf die **nats and bolts** dieses neuen Projekts konzentrieren.)
to remain confident and strong during hardships
to organize things in a proper and efficient way
to have a friendly and peaceful relationship
to make a serious promise or pledge
to talk too much and for a long time
To change direction or strategy to adapt to the market.